Very responsive and professional. Quickly diagnosed my A/C issues and left a loaner thermostat until the replacement came in. Highly recommend and would definitely use them again if needed.
About Marlin Plumbing Heating and Air
Marlin Plumbing Services is a family-owned business in St. George committed to providing top-notch plumbing, heating, and air conditioning service. Founded by Tony Marlin, the company specializes in water treatment systems, having created the first water softener that meets plumbing code standards.
They have a strong reputation for quality workmanship and customer satisfaction. Customers praise their promptness, professionalism, and expertise in resolving a variety of plumbing issues, from water treatment to full house plumbing replacements. Their team works diligently with warranty companies and ensures all work is completed to a high standard. Recently, customers have noted their quick response and willingness to go above and beyond, such as installing a garage unit or replacing water heaters with tankless options. The staff is easy to reach, professional, and always communicates clearly, making the experience smooth and reliable. Overall, Marlin Plumbing is well-regarded for their great service, fair prices, and ability to handle jobs efficiently.
Reviews
Have been very prompt about providing information and service. Seem to take pride in their work. Found some code violations and a fire hazard after installation from another well-known local company.
From dispatch to estimating to installing, everyone did a very professional job. Very knowledgeable crew, and the work was done quickly and well. I will definitely use them again if the need arises.
Photos

Hours
Good to know
- accepts credit cards
- open to all
Location
653 N 3050 East Ste 403, St. George, UT 84790
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